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99890627 is a prime number
BaseRepresentation
bin1011111010000…
…11010111000011
320221221222011212
411331003113003
5201033000002
613525000335
72322025214
oct575032703
9227858155
1099890627
1151427341
12295530ab
1317905aa5
14d3a340b
158b82352
hex5f435c3

99890627 has 2 divisors, whose sum is σ = 99890628. Its totient is φ = 99890626.

The previous prime is 99890579. The next prime is 99890647. The reversal of 99890627 is 72609899.

It is a strong prime.

It is an emirp because it is prime and its reverse (72609899) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99890627 - 26 = 99890563 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99890647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49945313 + 49945314.

It is an arithmetic number, because the mean of its divisors is an integer number (49945314).

Almost surely, 299890627 is an apocalyptic number.

99890627 is a deficient number, since it is larger than the sum of its proper divisors (1).

99890627 is an equidigital number, since it uses as much as digits as its factorization.

99890627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 99890627 is about 9994.5298538751. The cubic root of 99890627 is about 463.9896001311.

The spelling of 99890627 in words is "ninety-nine million, eight hundred ninety thousand, six hundred twenty-seven".